Box cover



FIG. 1 is a top plan view of a box cover showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a cross-sectional view as seen from line 4--4 of FIG. 1;

FIG. 5 is a cross-sectional view as seen from line 5--5 of FIG. 1; and

FIG. 6 is a cross-sectional view as seen from line 6--6 of FIG. 1. 

The ornamental design for a box cover, as shown. 